Critical Mass Modula-3: m3core/src/win32/WinDef.m3

m3core/src/win32/WinDef.m3

Copyright (C) 1994, Digital Equipment Corporation All rights reserved. See the file COPYRIGHT for a full description. by Stephen Harrison Last modified on Tue Oct 3 11:59:48 PDT 1995 by najork modified on Tue Nov 8 16:21:09 PST 1994 by kalsow modified on Tue May 25 12:01:34 PDT 1993 by harrison

* Here are Modula-3 procedures providing the functionality of C macros.

MODULE WinDef;

IMPORT Word;

************************************* REVEAL HANDLE = UNTRACED ROOT BRANDED HANDLE OBJECT END; HWND = HANDLE BRANDED HWND OBJECT END; HHOOK = HANDLE BRANDED HHOOK OBJECT END; HGDIOBJ = HANDLE BRANDED HGDIOBJ OBJECT END; HACCEL = HANDLE BRANDED HACCEL OBJECT END; HBITMAP = HANDLE BRANDED HBITMAP OBJECT END; HBRUSH = HGDIOBJ BRANDED HBRUSH OBJECT END; HDC = HANDLE BRANDED HDC OBJECT END; HGLRC = HANDLE BRANDED HGLRC OBJECT END; HDESK = HANDLE BRANDED HDESK OBJECT END; HENHMETAFILE = HANDLE BRANDED HENHMETAFILE OBJECT END; HMF = HANDLE BRANDED HMF OBJECT END; HEMF = HANDLE BRANDED HEMF OBJECT END; HFONT = HGDIOBJ BRANDED HFONT OBJECT END; HICON = HANDLE BRANDED HICON OBJECT END; HMENU = HANDLE BRANDED HMENU OBJECT END; HMETAFILE = HANDLE BRANDED HMETAFILE OBJECT END; HINSTANCE = HANDLE BRANDED HINSTANCE OBJECT END; HPALETTE = HANDLE BRANDED HPALETTE OBJECT END; HPEN = HGDIOBJ BRANDED HPEN OBJECT END; HRGN = HANDLE BRANDED HRGN OBJECT END; HRSRC = HANDLE BRANDED HRSRC OBJECT END; HSTR = HANDLE BRANDED HSTR OBJECT END; HWINSTA = HANDLE BRANDED HWINSTA OBJECT END; HKL = HANDLE BRANDED HKL OBJECT END; ***************************************

TYPE
  dummy = RECORD unused: INT32; END;

REVEAL
  HWND         = UNTRACED BRANDED "HWND" REF dummy;
  HHOOK        = UNTRACED BRANDED "HHOOK" REF dummy;
  (** HGDIOBJ      = UNTRACED BRANDED "HGDIOBJ" REF dummy; **)
  HACCEL       = UNTRACED BRANDED "HACCEL" REF dummy;
  HBITMAP      = UNTRACED BRANDED "HBITMAP" REF dummy;
  HBRUSH       = UNTRACED BRANDED "HBRUSH" REF dummy;
  HDC          = UNTRACED BRANDED "HDC" REF dummy;
  HGLRC        = UNTRACED BRANDED "HGLRC" REF dummy;
  HDESK        = UNTRACED BRANDED "HDESK" REF dummy;
  HENHMETAFILE = UNTRACED BRANDED "HENHMETAFILE" REF dummy;
  HMF          = UNTRACED BRANDED "HMF" REF dummy;
  HEMF         = UNTRACED BRANDED "HEMF" REF dummy;
  HFONT        = UNTRACED BRANDED "HFONT" REF dummy;
  HICON        = UNTRACED BRANDED "HICON" REF dummy;
  HMENU        = UNTRACED BRANDED "HMENU" REF dummy;
  HMETAFILE    = UNTRACED BRANDED "HMETAFILE" REF dummy;
  HINSTANCE    = UNTRACED BRANDED "HINSTANCE" REF dummy;
  HPALETTE     = UNTRACED BRANDED "HPALETTE" REF dummy;
  HPEN         = UNTRACED BRANDED "HPEN" REF dummy;
  HRGN         = UNTRACED BRANDED "HRGN" REF dummy;
  HRSRC        = UNTRACED BRANDED "HRSRC" REF dummy;
  HSTR         = UNTRACED BRANDED "HSTR" REF dummy;
  HWINSTA      = UNTRACED BRANDED "HWINSTA" REF dummy;
  HKL          = UNTRACED BRANDED "HKL" REF dummy;

<* INLINE *>
PROCEDURE MAKEWORD (a, b: UINT8): UINT16 =
  BEGIN
    RETURN Word.Or(a, Word.Shift(b, 8));
  END MAKEWORD;

<* INLINE *>
PROCEDURE MAKELONG (a, b: UINT16): INT32 =
  BEGIN
    RETURN Word.Or(a, Word.Shift(b, 16));
  END MAKELONG;

<* INLINE *>
PROCEDURE LOWORD (l: INT32): UINT16 =
  BEGIN
    RETURN Word.And(l, 16_ffff);
  END LOWORD;

<* INLINE *>
PROCEDURE HIWORD (l: INT32): UINT16 =
  BEGIN
    RETURN Word.And(Word.Shift(l, -16), 16_ffff);
  END HIWORD;

<* INLINE *>
PROCEDURE LOBYTE (w: UINT16): UINT8 =
  BEGIN
    RETURN Word.And(w, 16_ff)
  END LOBYTE;

<* INLINE *>
PROCEDURE HIBYTE (w: UINT16): UINT8 =
  BEGIN
    RETURN Word.And(Word.Shift(w, -8), 16_ff);
  END HIBYTE;

BEGIN
END WinDef.